A General-purpose relay is a key component in many electrical and electronic systems, playing an essential role in controlling circuits without the need for direct manual operation. Whether used in home appliances, industrial automation, or power systems, relays are integral in enabling reliable and efficient electrical control. This article delves into the working principle, structure, types, and applications of general-purpose relays, highlighting their importance in everyday technology.
What is a General-purpose Relay? A general-purpose relay is an electromechanical switch that uses an electrical current to control the switching of a larger circuit. It operates by using an electromagnet to open or close the relay’s contacts, thereby controlling the flow of current to other components within a system. These relays can manage a wide range of currents, voltages, and applications, making them extremely versatile and useful in various industries. Structure and Working Principle The structure of a general-purpose relay is relatively simple, comprising several essential components:
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